Case for electronic device



FIG. 1 is a first rear isometric view of a case for electronic device showing our new design;

FIG. 2 is a rear view thereof; and,

FIG. 3 is a second rear isometric view thereof.

The broken lines immediately adjacent the shaded surfaces represent boundaries of the claimed design. All other broken lines depict unclaimed environment. The broken lines and unshaded regions bounded by the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a case for electronic device, as shown and described. 